1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2 /* 3 * This program is free software; you can redistribute it and/or 4 * modify it under the terms of the GNU General Public License 5 * as published by the Free Software Foundation; either version 6 * 2 of the License, or (at your option) any later version. 7 */ 8 #ifndef _ASM_POWERPC_MMAN_H 9 #define _ASM_POWERPC_MMAN_H 10 11 #include <asm-generic/mman-common.h> 12 13 14 #define PROT_SAO 0x10 /* Strong Access Ordering */ 15 16 #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ 17 #define MAP_NORESERVE 0x40 /* don't reserve swap pages */ 18 #define MAP_LOCKED 0x80 19 20 #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 21 #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 22 #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 23 24 #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ 25 #define MCL_FUTURE 0x4000 /* lock all additions to address space */ 26 #define MCL_ONFAULT 0x8000 /* lock all pages that are faulted in */ 27 28 #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ 29 #define MAP_NONBLOCK 0x10000 /* do not block on IO */ 30 #define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ 31 #define MAP_HUGETLB 0x40000 /* create a huge page mapping */ 32 33 /* Override any generic PKEY permission defines */ 34 #define PKEY_DISABLE_EXECUTE 0x4 35 #undef PKEY_ACCESS_MASK 36 #define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ 37 PKEY_DISABLE_WRITE |\ 38 PKEY_DISABLE_EXECUTE) 39 #endif /* _ASM_POWERPC_MMAN_H */ 40